The starry sky is a Chinese character, and the pinyin is xρng kυng, which refers to the starry sky.

2. Observe the spaceship

Spacecraft: also known as space vehicle and space vehicle. All kinds of aircraft that run in space according to the laws of celestial mechanics and perform specific tasks such as exploring, developing and utilizing space and celestial bodies.

The appearance of spacecraft has expanded the range of human activities from the earth's atmosphere to the vast space, which has made a leap in human ability to understand and transform nature and has had a great impact on social economy and social life.

Step 3 observe biology

Biology is a living body with kinetic energy and a collection of objects. Individual biology refers to biology, as opposed to abiotic.

Its elements include: living beings with viability and reproductive ability produced by chemical reactions under natural conditions, and living offspring that can respond to external stimuli and rely on and promote each other with the external environment through reproduction. But also can excrete useless substances in the body, which has the characteristics of heredity and variation.

Step 4 observe plants

Plants are one of the main forms of life, including trees, shrubs, vines, grasses, ferns, green algae, lichens and other familiar creatures. Among seed plants, bryophytes, ferns and ferns, it is estimated that there are about 350 thousand species.

5. Be a small robot

A robot is a mechanical device that automatically performs work. It can accept human orders, run pre-programmed programs and act according to the principles formulated by artificial intelligence technology. Its task is to assist or replace human work, such as production, construction or dangerous work.